Junk Drawer Engineering: 25 Construction Challenges That Don't Cost a Thing by Bobby Mercer

Junk Drawer Engineering: 25 Construction Challenges That Don't Cost a Thing

Bobby Mercer

224 pages first pub 2017 (editions)

nonfiction childrens science informative lighthearted fast-paced
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Children love challenges, especially ones that involve hands-on experimentation and friendly competition. Can they build a sturdy bridge using only pasta and glue, one that a toy car can drive both under and over? Can they create a device to safel...

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